RFR: 8173321: Click on trough has no effect when cell height > viewport

[Kevin Rushforth]

On Mon, 26 Dec 2022 19:08:55 GMT, JoachimSchriek <duke at openjdk.org> wrote:

> This is my (Joachim.Schriek at gmx.de) first contribution to openjfx. My Contributor Agreement is signed but still in review.
> So please be patient with an absolute beginner as contributor ... .
> The work of this pull request was fully done in my spare time.
> 
> I first filed the bug myself in 2017. I had begun working with JavaFX in 2014.
> 
> The two changes address the two problems mentioned in JDK-8173321:
> - Using a JavaFX TableView, a click on the right trough has no effect when the cell height of the cell currently displayed is higher than viewport height
> - The ScrollBar ist displayed with a minimal height.
> 
> The changes were tested and ran well with Java 17 and the current master branch of openjfx.

Sure, that sounds good.

I should add that this presumes you can't test this with a unit test in the `javafx.controls` module (testing it without using robot is better if feasible).

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PR: https://git.openjdk.org/jfx/pull/985